Finding the Fourth Proportional to 354,081.21, 531,278.81 and 185,561.48
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Solution
The fourth proportional to 354,081.21, 531,278.81 and 185,561.48 is: 278,424.50
Step by Step Solution
- Step 1: Write the proportion equation
354,081.21 : 531,278.81 = 185,561.48 : x - Step 2: Convert to fraction form
354,081.21/531,278.81 = 185,561.48/x - Step 3: Cross multiply
354,081.21x = 531,278.81 × 185,561.48 - Step 4: Simplify right side
354,081.21x = 98,584,882,276.24 - Step 5: Solve for x
x = 98,584,882,276.24/354,081.21 - Step 6: Final answer
x = 278,424.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.